# K771653: Electronic Stethoscope

- Pathway: 510(k) (Traditional)
- Applicant: 3M Company
- Decided: Sep 12, 1977 after 14 days
- Product code: DQD (Stethoscope, Electronic)
- Device class: 2
- Regulation: 21 CFR 870.1875
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
86 later devices descend from it; 2 cite it directly.
0 of 87 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K961848: 3M Littmann Electronic Stethoscope (1997), 54 descendants of its own
- K961857: Labtron Electromax Electronic Stethoscope Model NO. 04-1060 (1996), 54 descendants of its own
- K991367: Meditron Stethoscope System (1999), 51 descendants of its own
- K041934: 3M Littmann Electronic Stethoscope, Model 3000 (2004), 50 descendants of its own
- K050159: Modification to: 3M Littmann Electronic Stethoscope, Model 3000 (2005), 48 descendants of its own

Source page: https://510kreport.com/device/K771653
Methodology: https://510kreport.com/methodology